该描述子具有颜色恒常的特性。

This description of the surface spectral reflectance has the property of color constancy.

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基于皮肤颜色模型进行手势分割，并用傅里叶描述子描述轮廓。

Hand area is segmented based on skin color model, then the hand contour is described by use of Fourier descriptor.

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实验结果表明，彩色子块共生矩阵描述子能够有效地结合颜色和纹理特征，具有良好的检索性能。

Experiments demonstrated that the color block co-occurrence matrix descriptor considerably improves the retrieval performance and can combine the feature of color and texture effectively.

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